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FAQ #39665

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What is pesticide resistance?

Related resource areas: Gardens, Lawns & Landscapes, Pest Management In and Around Structures


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Pesticide resistance is the adaptation of pest species targeted by a pesticide, resulting in decreased susceptibility to that chemical. In other words, pests develop a resistance to a chemical through selection; after they are exposed to a pesticide for a prolonged period, it no longer kills them as effectively. The most resistant organisms are the ones to survive and pass on their genetic traits to their offspring.

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